]> git.saurik.com Git - wxWidgets.git/blobdiff - src/generic/grid.cpp
Module definitions files for build VisualAge C++ V3.0 dlls.
[wxWidgets.git] / src / generic / grid.cpp
index 9eced764e0e424b703aceae6c1b8b7644a9876d3..792b92b12c5734497ec32fbce7abd78e0198efc5 100644 (file)
@@ -50,6 +50,7 @@
 #include "wx/tokenzr.h"
 
 #include "wx/grid.h"
+#include "wx/generic/gridsel.h"
 
 // ----------------------------------------------------------------------------
 // array classes
@@ -3078,6 +3079,7 @@ wxGrid::~wxGrid()
         delete m_table;
 
     delete m_typeRegistry;
+    delete m_selection;
 }
 
 
@@ -3088,7 +3090,6 @@ wxGrid::~wxGrid()
 void wxGrid::Create()
 {
     m_created = FALSE;    // set to TRUE by CreateGrid
-    m_displayed = TRUE; // FALSE;  // set to TRUE by OnPaint
 
     m_table        = (wxGridTableBase *) NULL;
     m_ownTable     = FALSE;
@@ -3118,7 +3119,7 @@ void wxGrid::Create()
 
     // create the type registry
     m_typeRegistry = new wxGridTypeRegistry;
-
+    m_selection = 0;
     // subwindow components that make up the wxGrid
     m_cornerLabelWin = new wxGridCornerLabelWindow( this,
                                                     -1,
@@ -3146,7 +3147,8 @@ void wxGrid::Create()
 }
 
 
-bool wxGrid::CreateGrid( int numRows, int numCols )
+bool wxGrid::CreateGrid( int numRows, int numCols,
+                         wxGrid::wxGridSelectionModes selmode )
 {
     if ( m_created )
     {
@@ -3162,13 +3164,24 @@ bool wxGrid::CreateGrid( int numRows, int numCols )
         m_table->SetView( this );
         m_ownTable = TRUE;
         Init();
+        m_selection = new wxGridSelection( this, selmode );
         m_created = TRUE;
     }
-
     return m_created;
 }
 
-bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership )
+void wxGrid::SetSelectionMode(wxGrid::wxGridSelectionModes selmode)
+{
+    if ( !m_created )
+    {
+        wxFAIL_MSG( wxT("Called wxGrid::SetSelectionMode() before calling CreateGrid()") );
+    }
+    else
+        m_selection->SetSelectionMode( selmode );
+}
+
+bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership,
+                       wxGrid::wxGridSelectionModes selmode )
 {
     if ( m_created )
     {
@@ -3177,6 +3190,7 @@ bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership )
         // View at runtime.  Is there anything in the implmentation that would
         // prevent this?
 
+        // At least, you now have to cope with m_selection
         wxFAIL_MSG( wxT("wxGrid::CreateGrid or wxGrid::SetTable called more than once") );
         return FALSE;
     }
@@ -3190,6 +3204,7 @@ bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership )
         if (takeOwnership)
             m_ownTable = TRUE;
         Init();
+        m_selection = new wxGridSelection( this, selmode );
         m_created = TRUE;
     }
 
@@ -3262,8 +3277,8 @@ void wxGrid::Init()
 
     m_currentCellCoords = wxGridNoCellCoords;
 
-    m_selectedTopLeft = wxGridNoCellCoords;
-    m_selectedBottomRight = wxGridNoCellCoords;
+    m_selectingTopLeft = wxGridNoCellCoords;
+    m_selectingBottomRight = wxGridNoCellCoords;
     m_selectionBackground = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHT);
     m_selectionForeground = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
 
@@ -4228,13 +4243,22 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
 
             if ( coords != wxGridNoCellCoords )
             {
-                if ( !IsSelection() )
-                {
-                    SelectBlock( coords, coords );
-                }
-                else
-                {
-                    SelectBlock( m_currentCellCoords, coords );
+               if ( event.ControlDown() )
+               {
+                   if ( m_selectingKeyboard == wxGridNoCellCoords)
+                       m_selectingKeyboard = coords;
+                   SelectBlock ( m_selectingKeyboard, coords );
+               }
+               else
+               {
+                   if ( !IsSelection() )
+                   {
+                       SelectBlock( coords, coords );
+                   }
+                   else
+                   {
+                       SelectBlock( m_currentCellCoords, coords );
+                   }
                 }
 
                 if (! IsVisible(coords))
@@ -4304,9 +4328,18 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
     //
     if ( event.LeftDown() && coords != wxGridNoCellCoords )
     {
+        if ( !event.ShiftDown() && !event.ControlDown() )
+            ClearSelection();
         if ( event.ShiftDown() )
         {
-            SelectBlock( m_currentCellCoords, coords );
+            m_selection->SelectBlock( m_currentCellCoords.GetRow(),
+                                      m_currentCellCoords.GetCol(),
+                                      coords.GetRow(),
+                                      coords.GetCol(),
+                                      event.ControlDown(),
+                                      event.ShiftDown(),
+                                      event.AltDown(),
+                                      event.MetaDown() );
         }
         else if ( XToEdgeOfCol(x) < 0  &&
                   YToEdgeOfRow(y) < 0 )
@@ -4339,7 +4372,20 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
                 }
                 else
                 {
-                    SetCurrentCell( coords );
+                   if ( event.ControlDown() )
+                   {
+                       m_selection->ToggleCellSelection( coords.GetRow(),
+                                                         coords.GetCol(),
+                                                         event.ControlDown(),
+                                                         event.ShiftDown(),
+                                                         event.AltDown(),
+                                                         event.MetaDown() );
+                       m_selectingTopLeft = wxGridNoCellCoords;
+                       m_selectingBottomRight = wxGridNoCellCoords;
+                       m_selectingKeyboard = coords;
+                   }
+                   else
+                       SetCurrentCell( coords );
                     m_waitForSlowClick = TRUE;
                 }
             }
@@ -4369,14 +4415,24 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
     {
         if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
         {
-            if ( IsSelection() )
+            if ( m_selectingTopLeft != wxGridNoCellCoords &&
+                 m_selectingBottomRight != wxGridNoCellCoords )
             {
                 if (m_winCapture)
                 {
                     m_winCapture->ReleaseMouse();
                     m_winCapture = NULL;
                 }
-                SendEvent( wxEVT_GRID_RANGE_SELECT, -1, -1, event );
+                m_selection->SelectBlock( m_selectingTopLeft.GetRow(),
+                                          m_selectingTopLeft.GetCol(),
+                                          m_selectingBottomRight.GetRow(),
+                                          m_selectingBottomRight.GetCol(),
+                                          event.ControlDown(),
+                                          event.ShiftDown(),
+                                          event.AltDown(),
+                                          event.MetaDown() );
+                m_selectingTopLeft = wxGridNoCellCoords;
+                m_selectingBottomRight = wxGridNoCellCoords;
             }
 
             // Show the edit control, if it has been hidden for
@@ -4659,7 +4715,7 @@ bool wxGrid::InsertRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
                 SetCurrentCell( 0, 0 );
             }
 
-            ClearSelection();
+            m_selection->UpdateRows( pos, numRows );
             if ( !GetBatchCount() ) Refresh();
         }
 
@@ -4695,7 +4751,6 @@ bool wxGrid::AppendRows( int numRows, bool WXUNUSED(updateLabels) )
         // the table will have sent the results of the append row
         // operation to this view object as a grid table message
         //
-        ClearSelection();
         if ( !GetBatchCount() ) Refresh();
         return TRUE;
     }
@@ -4727,7 +4782,7 @@ bool wxGrid::DeleteRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
             // the table will have sent the results of the delete row
             // operation to this view object as a grid table message
             //
-            ClearSelection();
+            m_selection->UpdateRows( pos, -((int)numRows) );
             if ( !GetBatchCount() ) Refresh();
             return TRUE;
         }
@@ -4766,7 +4821,7 @@ bool wxGrid::InsertCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
                 SetCurrentCell( 0, 0 );
             }
 
-            ClearSelection();
+            m_selection->UpdateCols( pos, numCols );
             if ( !GetBatchCount() ) Refresh();
         }
 
@@ -4802,7 +4857,6 @@ bool wxGrid::AppendCols( int numCols, bool WXUNUSED(updateLabels) )
             SetCurrentCell( 0, 0 );
         }
 
-        ClearSelection();
         if ( !GetBatchCount() ) Refresh();
         return TRUE;
     }
@@ -4833,7 +4887,7 @@ bool wxGrid::DeleteCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
             // the table will have sent the results of the delete col
             // operation to this view object as a grid table message
             //
-            ClearSelection();
+            m_selection->UpdateCols( pos, -((int)numCols) );
             if ( !GetBatchCount() ) Refresh();
             return TRUE;
         }
@@ -4872,11 +4926,13 @@ bool wxGrid::SendEvent( const wxEventType type,
     }
     else if ( type == wxEVT_GRID_RANGE_SELECT )
     {
+        // Right now, it should _never_ end up here! 
         wxGridRangeSelectEvent gridEvt( GetId(),
                                         type,
                                         this,
-                                        m_selectedTopLeft,
-                                        m_selectedBottomRight,
+                                        m_selectingTopLeft,
+                                        m_selectingBottomRight,
+                                        TRUE,
                                         mouseEv.ControlDown(),
                                         mouseEv.ShiftDown(),
                                         mouseEv.AltDown(),
@@ -4890,6 +4946,7 @@ bool wxGrid::SendEvent( const wxEventType type,
                              type,
                              this,
                              row, col,
+                             FALSE,
                              mouseEv.GetX(), mouseEv.GetY(),
                              mouseEv.ControlDown(),
                              mouseEv.ShiftDown(),
@@ -4933,15 +4990,6 @@ bool wxGrid::SendEvent( const wxEventType type,
 void wxGrid::OnPaint( wxPaintEvent& WXUNUSED(event) )
 {
     wxPaintDC dc( this );
-
-    if ( m_currentCellCoords == wxGridNoCellCoords  &&
-         m_numRows && m_numCols )
-    {
-        m_currentCellCoords.Set(0, 0);
-        ShowCellEditControl();
-    }
-
-    m_displayed = TRUE;
 }
 
 
@@ -4976,56 +5024,69 @@ void wxGrid::OnKeyDown( wxKeyEvent& event )
     if ( !parent->GetEventHandler()->ProcessEvent( keyEvt ) )
     {
 
-        // TODO:  Should also support Shift-cursor keys for
-        //        extending the selection.  Maybe add a flag to
-        //        MoveCursorXXX() and MoveCursorXXXBlock() and
-        //        just send event.ShiftDown().
-
         // try local handlers
         //
+        if ( !event.ShiftDown() && 
+             m_selectingKeyboard != wxGridNoCellCoords )
+        {
+           if ( m_selectingTopLeft != wxGridNoCellCoords &&
+                m_selectingBottomRight != wxGridNoCellCoords )
+               m_selection->SelectBlock( m_selectingTopLeft.GetRow(),
+                                         m_selectingTopLeft.GetCol(),
+                                         m_selectingBottomRight.GetRow(),
+                                         m_selectingBottomRight.GetCol(),
+                                         event.ControlDown(),
+                                         event.ShiftDown(),
+                                         event.AltDown(),
+                                         event.MetaDown() );
+            m_selectingTopLeft = wxGridNoCellCoords;
+            m_selectingBottomRight = wxGridNoCellCoords;
+            m_selectingKeyboard = wxGridNoCellCoords;
+        }
+
         switch ( event.KeyCode() )
         {
             case WXK_UP:
                 if ( event.ControlDown() )
                 {
-                    MoveCursorUpBlock();
+                    MoveCursorUpBlock( event.ShiftDown() );
                 }
                 else
                 {
-                    MoveCursorUp();
+                    MoveCursorUp( event.ShiftDown() );
                 }
                 break;
 
             case WXK_DOWN:
                 if ( event.ControlDown() )
                 {
-                    MoveCursorDownBlock();
+                    MoveCursorDownBlock( event.ShiftDown() );
                 }
                 else
                 {
-                    MoveCursorDown();
+                    MoveCursorDown( event.ShiftDown() );
                 }
                 break;
 
             case WXK_LEFT:
                 if ( event.ControlDown() )
                 {
-                    MoveCursorLeftBlock();
+                    MoveCursorLeftBlock( event.ShiftDown() );
                 }
                 else
                 {
-                    MoveCursorLeft();
+                    MoveCursorLeft( event.ShiftDown() );
                 }
                 break;
 
             case WXK_RIGHT:
                 if ( event.ControlDown() )
                 {
-                    MoveCursorRightBlock();
+                    MoveCursorRightBlock( event.ShiftDown() );
                 }
                 else
                 {
-                    MoveCursorRight();
+                    MoveCursorRight( event.ShiftDown() );
                 }
                 break;
 
@@ -5036,15 +5097,19 @@ void wxGrid::OnKeyDown( wxKeyEvent& event )
                 }
                 else
                 {
-                    MoveCursorDown();
+                    MoveCursorDown( event.ShiftDown() );
                 }
                 break;
 
+            case WXK_ESCAPE:
+                m_selection->ClearSelection();
+                break;
+
             case WXK_TAB:
                 if (event.ShiftDown())
-                    MoveCursorLeft();
+                    MoveCursorLeft( FALSE );
                 else
-                    MoveCursorRight();
+                    MoveCursorRight( FALSE );
                 break;
 
             case WXK_HOME:
@@ -5080,9 +5145,19 @@ void wxGrid::OnKeyDown( wxKeyEvent& event )
                 break;
 
             case WXK_SPACE:
+               if ( event.ControlDown() )
+               {
+                   m_selection->ToggleCellSelection( m_currentCellCoords.GetRow(),
+                                                     m_currentCellCoords.GetCol(),
+                                                     event.ControlDown(),
+                                                     event.ShiftDown(),
+                                                     event.AltDown(),
+                                                     event.MetaDown() );
+                   break;
+               }
                 if ( !IsEditable() )
                 {
-                    MoveCursorRight();
+                    MoveCursorRight( FALSE );
                     break;
                 }
                 // Otherwise fall through to default
@@ -5090,10 +5165,15 @@ void wxGrid::OnKeyDown( wxKeyEvent& event )
             default:
                 // alphanumeric keys or F2 (special key just for this) enable
                 // the cell edit control
+                // On just Shift/Control I get values for event.KeyCode()
+                // that are outside the range where isalnum's behaviour is
+                // well defined, so do an additional sanity check.
                 if ( !(event.AltDown() ||
                        event.MetaDown() ||
                        event.ControlDown()) &&
-                     (isalnum(event.KeyCode()) || event.KeyCode() == WXK_F2) &&
+                     ((isalnum(event.KeyCode()) &&
+                       (event.KeyCode() < 256 && event.KeyCode() >= 0)) ||
+                      event.KeyCode() == WXK_F2) &&
                      !IsCellEditControlEnabled() &&
                      CanEnableCellControl() )
                 {
@@ -5119,21 +5199,13 @@ void wxGrid::OnKeyDown( wxKeyEvent& event )
     m_inOnKeyDown = FALSE;
 }
 
-
 void wxGrid::OnEraseBackground(wxEraseEvent&)
 {
 }
 
 void wxGrid::SetCurrentCell( const wxGridCellCoords& coords )
 {
-    if ( SendEvent( wxEVT_GRID_SELECT_CELL, coords.GetRow(), coords.GetCol() ) )
-    {
-        // the event has been intercepted - do nothing
-        return;
-    }
-
-    if ( m_displayed  &&
-         m_currentCellCoords != wxGridNoCellCoords )
+    if ( m_currentCellCoords != wxGridNoCellCoords )
     {
         HideCellEditControl();
         DisableCellEditControl();
@@ -5149,22 +5221,23 @@ void wxGrid::SetCurrentCell( const wxGridCellCoords& coords )
 
     m_currentCellCoords = coords;
 
-    if ( m_displayed )
-    {
-        wxClientDC dc(m_gridWin);
-        PrepareDC(dc);
+    wxClientDC dc(m_gridWin);
+    PrepareDC(dc);
 
-        wxGridCellAttr* attr = GetCellAttr(coords);
-        DrawCellHighlight(dc, attr);
-        attr->DecRef();
+    wxGridCellAttr* attr = GetCellAttr(coords);
+    DrawCellHighlight(dc, attr);
+    attr->DecRef();
 
+#if 0
+        // SN: For my extended selection code, automatic
+        //     deselection is definitely not a good idea.
         if ( IsSelection() )
         {
             wxRect r( SelectionToDeviceRect() );
             ClearSelection();
             if ( !GetBatchCount() ) m_gridWin->Refresh( FALSE, &r );
         }
-    }
+#endif
 }
 
 
@@ -5367,6 +5440,15 @@ void wxGrid::DrawCellBorder( wxDC& dc, const wxGridCellCoords& coords )
 
 void wxGrid::DrawHighlight(wxDC& dc)
 {
+    // This if block was previously in wxGrid::OnPaint but that doesn't
+    // seem to get called under wxGTK - MB
+    //
+    if ( m_currentCellCoords == wxGridNoCellCoords  &&
+         m_numRows && m_numCols )
+    {
+        m_currentCellCoords.Set(0, 0);
+    }
+
     if ( IsCellEditControlEnabled() )
     {
         // don't show highlight when the edit control is shown
@@ -6089,17 +6171,28 @@ void wxGrid::MakeCellVisible( int row, int col )
 // ------ Grid cursor movement functions
 //
 
-bool wxGrid::MoveCursorUp()
+bool wxGrid::MoveCursorUp( bool expandSelection )
 {
     if ( m_currentCellCoords != wxGridNoCellCoords  &&
          m_currentCellCoords.GetRow() > 0 )
     {
-        MakeCellVisible( m_currentCellCoords.GetRow() - 1,
-                        m_currentCellCoords.GetCol() );
-
-        SetCurrentCell( m_currentCellCoords.GetRow() - 1,
-                        m_currentCellCoords.GetCol() );
-
+        if ( expandSelection )
+        {
+            if ( m_selectingKeyboard == wxGridNoCellCoords )
+                m_selectingKeyboard = m_currentCellCoords;
+            m_selectingKeyboard.SetRow( m_selectingKeyboard.GetRow() - 1 );
+           MakeCellVisible( m_selectingKeyboard.GetRow(),
+                            m_selectingKeyboard.GetCol() );
+            SelectBlock( m_currentCellCoords, m_selectingKeyboard );
+        }
+        else
+       {
+           ClearSelection();
+           MakeCellVisible( m_currentCellCoords.GetRow() - 1,
+                            m_currentCellCoords.GetCol() );
+            SetCurrentCell( m_currentCellCoords.GetRow() - 1,
+                            m_currentCellCoords.GetCol() );
+       }
         return TRUE;
     }
 
@@ -6107,19 +6200,28 @@ bool wxGrid::MoveCursorUp()
 }
 
 
-bool wxGrid::MoveCursorDown()
+bool wxGrid::MoveCursorDown( bool expandSelection )
 {
-    // TODO: allow for scrolling
-    //
     if ( m_currentCellCoords != wxGridNoCellCoords  &&
          m_currentCellCoords.GetRow() < m_numRows-1 )
     {
-        MakeCellVisible( m_currentCellCoords.GetRow() + 1,
-                        m_currentCellCoords.GetCol() );
-
-        SetCurrentCell( m_currentCellCoords.GetRow() + 1,
-                        m_currentCellCoords.GetCol() );
-
+        if ( expandSelection )
+        {
+            if ( m_selectingKeyboard == wxGridNoCellCoords )
+                m_selectingKeyboard = m_currentCellCoords;
+            m_selectingKeyboard.SetRow( m_selectingKeyboard.GetRow() + 1 );
+           MakeCellVisible( m_selectingKeyboard.GetRow(),
+                            m_selectingKeyboard.GetCol() );
+            SelectBlock( m_currentCellCoords, m_selectingKeyboard );
+        }
+        else
+       {
+           ClearSelection();
+           MakeCellVisible( m_currentCellCoords.GetRow() + 1,
+                            m_currentCellCoords.GetCol() );
+            SetCurrentCell( m_currentCellCoords.GetRow() + 1,
+                            m_currentCellCoords.GetCol() );
+       }
         return TRUE;
     }
 
@@ -6127,17 +6229,28 @@ bool wxGrid::MoveCursorDown()
 }
 
 
-bool wxGrid::MoveCursorLeft()
+bool wxGrid::MoveCursorLeft( bool expandSelection )
 {
     if ( m_currentCellCoords != wxGridNoCellCoords  &&
          m_currentCellCoords.GetCol() > 0 )
     {
-        MakeCellVisible( m_currentCellCoords.GetRow(),
-                        m_currentCellCoords.GetCol() - 1 );
-
-        SetCurrentCell( m_currentCellCoords.GetRow(),
-                        m_currentCellCoords.GetCol() - 1 );
-
+        if ( expandSelection )
+        {
+            if ( m_selectingKeyboard == wxGridNoCellCoords )
+                m_selectingKeyboard = m_currentCellCoords;
+            m_selectingKeyboard.SetCol( m_selectingKeyboard.GetCol() - 1 );
+           MakeCellVisible( m_selectingKeyboard.GetRow(),
+                            m_selectingKeyboard.GetCol() );
+            SelectBlock( m_currentCellCoords, m_selectingKeyboard );
+        }
+        else
+       {
+           ClearSelection();
+           MakeCellVisible( m_currentCellCoords.GetRow(),
+                            m_currentCellCoords.GetCol() - 1 );
+            SetCurrentCell( m_currentCellCoords.GetRow(),
+                            m_currentCellCoords.GetCol() - 1 );
+       }
         return TRUE;
     }
 
@@ -6145,17 +6258,28 @@ bool wxGrid::MoveCursorLeft()
 }
 
 
-bool wxGrid::MoveCursorRight()
+bool wxGrid::MoveCursorRight( bool expandSelection )
 {
     if ( m_currentCellCoords != wxGridNoCellCoords  &&
          m_currentCellCoords.GetCol() < m_numCols - 1 )
     {
-        MakeCellVisible( m_currentCellCoords.GetRow(),
-                        m_currentCellCoords.GetCol() + 1 );
-
-        SetCurrentCell( m_currentCellCoords.GetRow(),
-                        m_currentCellCoords.GetCol() + 1 );
-
+        if ( expandSelection )
+        {
+            if ( m_selectingKeyboard == wxGridNoCellCoords )
+                m_selectingKeyboard = m_currentCellCoords;
+            m_selectingKeyboard.SetCol( m_selectingKeyboard.GetCol() + 1 );
+           MakeCellVisible( m_selectingKeyboard.GetRow(),
+                            m_selectingKeyboard.GetCol() );
+            SelectBlock( m_currentCellCoords, m_selectingKeyboard );
+        }
+        else
+       {
+           ClearSelection();
+           MakeCellVisible( m_currentCellCoords.GetRow(),
+                            m_currentCellCoords.GetCol() + 1 );
+           SetCurrentCell( m_currentCellCoords.GetRow(),
+                            m_currentCellCoords.GetCol() + 1 );
+       }
         return TRUE;
     }
 
@@ -6223,7 +6347,7 @@ bool wxGrid::MovePageDown()
     return FALSE;
 }
 
-bool wxGrid::MoveCursorUpBlock()
+bool wxGrid::MoveCursorUpBlock( bool expandSelection )
 {
     if ( m_table &&
          m_currentCellCoords != wxGridNoCellCoords  &&
@@ -6270,15 +6394,23 @@ bool wxGrid::MoveCursorUpBlock()
         }
 
         MakeCellVisible( row, col );
-        SetCurrentCell( row, col );
-
+        if ( expandSelection )
+        {
+            m_selectingKeyboard = wxGridCellCoords( row, col );
+            SelectBlock( m_currentCellCoords, m_selectingKeyboard );
+        }
+        else
+       {
+           ClearSelection();
+           SetCurrentCell( row, col );
+       }
         return TRUE;
     }
 
     return FALSE;
 }
 
-bool wxGrid::MoveCursorDownBlock()
+bool wxGrid::MoveCursorDownBlock( bool expandSelection )
 {
     if ( m_table &&
          m_currentCellCoords != wxGridNoCellCoords  &&
@@ -6325,7 +6457,16 @@ bool wxGrid::MoveCursorDownBlock()
         }
 
         MakeCellVisible( row, col );
-        SetCurrentCell( row, col );
+        if ( expandSelection )
+        {
+            m_selectingKeyboard = wxGridCellCoords( row, col );
+            SelectBlock( m_currentCellCoords, m_selectingKeyboard );
+        }
+        else
+       {
+           ClearSelection();
+           SetCurrentCell( row, col );
+       }
 
         return TRUE;
     }
@@ -6333,7 +6474,7 @@ bool wxGrid::MoveCursorDownBlock()
     return FALSE;
 }
 
-bool wxGrid::MoveCursorLeftBlock()
+bool wxGrid::MoveCursorLeftBlock( bool expandSelection )
 {
     if ( m_table &&
          m_currentCellCoords != wxGridNoCellCoords  &&
@@ -6380,7 +6521,16 @@ bool wxGrid::MoveCursorLeftBlock()
         }
 
         MakeCellVisible( row, col );
-        SetCurrentCell( row, col );
+        if ( expandSelection )
+        {
+            m_selectingKeyboard = wxGridCellCoords( row, col );
+            SelectBlock( m_currentCellCoords, m_selectingKeyboard );
+        }
+        else
+       {
+           ClearSelection();
+           SetCurrentCell( row, col );
+       }
 
         return TRUE;
     }
@@ -6388,7 +6538,7 @@ bool wxGrid::MoveCursorLeftBlock()
     return FALSE;
 }
 
-bool wxGrid::MoveCursorRightBlock()
+bool wxGrid::MoveCursorRightBlock( bool expandSelection )
 {
     if ( m_table &&
          m_currentCellCoords != wxGridNoCellCoords  &&
@@ -6435,7 +6585,16 @@ bool wxGrid::MoveCursorRightBlock()
         }
 
         MakeCellVisible( row, col );
-        SetCurrentCell( row, col );
+        if ( expandSelection )
+        {
+            m_selectingKeyboard = wxGridCellCoords( row, col );
+            SelectBlock( m_currentCellCoords, m_selectingKeyboard );
+        }
+        else
+       {
+           ClearSelection();
+           SetCurrentCell( row, col );
+       }
 
         return TRUE;
     }
@@ -7422,167 +7581,19 @@ void wxGrid::SetCellValue( int row, int col, const wxString& s )
 
 void wxGrid::SelectRow( int row, bool addToSelected )
 {
-    wxRect r;
-
-    if ( IsSelection() && addToSelected )
-    {
-        wxRect  rect[4];
-        bool    need_refresh[4];
-        need_refresh[0] =
-        need_refresh[1] =
-        need_refresh[2] =
-        need_refresh[3] = FALSE;
-
-        int     i;
-
-        wxCoord oldLeft   = m_selectedTopLeft.GetCol();
-        wxCoord oldTop    = m_selectedTopLeft.GetRow();
-        wxCoord oldRight  = m_selectedBottomRight.GetCol();
-        wxCoord oldBottom = m_selectedBottomRight.GetRow();
-
-        if ( oldTop > row )
-        {
-            need_refresh[0] = TRUE;
-            rect[0] = BlockToDeviceRect( wxGridCellCoords ( row, 0 ),
-                                         wxGridCellCoords ( oldTop - 1,
-                                                            m_numCols - 1 ) );
-            m_selectedTopLeft.SetRow( row );
-        }
-
-        if ( oldLeft > 0 )
-        {
-            need_refresh[1] = TRUE;
-            rect[1] = BlockToDeviceRect( wxGridCellCoords ( oldTop, 0 ),
-                                         wxGridCellCoords ( oldBottom,
-                                                            oldLeft - 1 ) );
-
-            m_selectedTopLeft.SetCol( 0 );
-        }
-
-        if ( oldBottom < row )
-        {
-            need_refresh[2] = TRUE;
-            rect[2] = BlockToDeviceRect( wxGridCellCoords ( oldBottom + 1, 0 ),
-                                         wxGridCellCoords ( row,
-                                                            m_numCols - 1 ) );
-            m_selectedBottomRight.SetRow( row );
-        }
+    if ( IsSelection() && !addToSelected )
+        m_selection->ClearSelection();
 
-        if ( oldRight < m_numCols - 1 )
-        {
-            need_refresh[3] = TRUE;
-            rect[3] = BlockToDeviceRect( wxGridCellCoords ( oldTop ,
-                                                            oldRight + 1 ),
-                                         wxGridCellCoords ( oldBottom,
-                                                            m_numCols - 1 ) );
-            m_selectedBottomRight.SetCol( m_numCols - 1 );
-        }
-
-        for (i = 0; i < 4; i++ )
-            if ( need_refresh[i] && rect[i] != wxGridNoCellRect )
-                m_gridWin->Refresh( FALSE, &(rect[i]) );
-    }
-    else
-    {
-        r = SelectionToDeviceRect();
-        ClearSelection();
-        if ( r != wxGridNoCellRect ) m_gridWin->Refresh( FALSE, &r );
-
-        m_selectedTopLeft.Set( row, 0 );
-        m_selectedBottomRight.Set( row, m_numCols-1 );
-        r = SelectionToDeviceRect();
-        m_gridWin->Refresh( FALSE, &r );
-    }
-
-    wxGridRangeSelectEvent gridEvt( GetId(),
-                                    wxEVT_GRID_RANGE_SELECT,
-                                    this,
-                                    m_selectedTopLeft,
-                                    m_selectedBottomRight );
-
-    GetEventHandler()->ProcessEvent(gridEvt);
+    m_selection->SelectRow( row );
 }
 
 
 void wxGrid::SelectCol( int col, bool addToSelected )
 {
-    if ( IsSelection() && addToSelected )
-    {
-        wxRect  rect[4];
-        bool    need_refresh[4];
-        need_refresh[0] =
-        need_refresh[1] =
-        need_refresh[2] =
-        need_refresh[3] = FALSE;
-        int     i;
-
-        wxCoord oldLeft   = m_selectedTopLeft.GetCol();
-        wxCoord oldTop    = m_selectedTopLeft.GetRow();
-        wxCoord oldRight  = m_selectedBottomRight.GetCol();
-        wxCoord oldBottom = m_selectedBottomRight.GetRow();
-
-        if ( oldLeft > col )
-        {
-            need_refresh[0] = TRUE;
-            rect[0] = BlockToDeviceRect( wxGridCellCoords ( 0, col ),
-                                         wxGridCellCoords ( m_numRows - 1,
-                                                            oldLeft - 1 ) );
-            m_selectedTopLeft.SetCol( col );
-        }
-
-        if ( oldTop  > 0 )
-        {
-            need_refresh[1] = TRUE;
-            rect[1] = BlockToDeviceRect( wxGridCellCoords ( 0, oldLeft ),
-                                         wxGridCellCoords ( oldTop - 1,
-                                                            oldRight ) );
-            m_selectedTopLeft.SetRow( 0 );
-        }
-
-        if ( oldRight < col )
-        {
-            need_refresh[2] = TRUE;
-            rect[2] = BlockToDeviceRect( wxGridCellCoords ( 0, oldRight + 1 ),
-                                         wxGridCellCoords ( m_numRows - 1,
-                                                            col            ) );
-            m_selectedBottomRight.SetCol( col );
-        }
-
-        if ( oldBottom < m_numRows - 1 )
-        {
-            need_refresh[3] = TRUE;
-            rect[3] = BlockToDeviceRect( wxGridCellCoords ( oldBottom + 1,
-                                                            oldLeft ),
-                                         wxGridCellCoords ( m_numRows - 1,
-                                                            oldRight ) );
-            m_selectedBottomRight.SetRow( m_numRows - 1 );
-        }
+    if ( IsSelection() && !addToSelected )
+        m_selection->ClearSelection();
 
-        for (i = 0; i < 4; i++ )
-            if ( need_refresh[i] && rect[i] != wxGridNoCellRect )
-                m_gridWin->Refresh( FALSE, &(rect[i]) );
-    }
-    else
-    {
-        wxRect r;
-
-        r = SelectionToDeviceRect();
-        ClearSelection();
-        if ( r != wxGridNoCellRect ) m_gridWin->Refresh( FALSE, &r );
-
-        m_selectedTopLeft.Set( 0, col );
-        m_selectedBottomRight.Set( m_numRows-1, col );
-        r = SelectionToDeviceRect();
-        m_gridWin->Refresh( FALSE, &r );
-    }
-
-    wxGridRangeSelectEvent gridEvt( GetId(),
-                                    wxEVT_GRID_RANGE_SELECT,
-                                    this,
-                                    m_selectedTopLeft,
-                                    m_selectedBottomRight );
-
-    GetEventHandler()->ProcessEvent(gridEvt);
+    m_selection->SelectCol( col );
 }
 
 
@@ -7608,8 +7619,8 @@ void wxGrid::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol )
     updateTopLeft = wxGridCellCoords( topRow, leftCol );
     updateBottomRight = wxGridCellCoords( bottomRow, rightCol );
 
-    if ( m_selectedTopLeft != updateTopLeft ||
-         m_selectedBottomRight != updateBottomRight )
+    if ( m_selectingTopLeft != updateTopLeft ||
+         m_selectingBottomRight != updateBottomRight )
     {
         // Compute two optimal update rectangles:
         // Either one rectangle is a real subset of the
@@ -7623,10 +7634,10 @@ void wxGrid::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol )
         int     i;
 
         // Store intermediate values
-        wxCoord oldLeft   = m_selectedTopLeft.GetCol();
-        wxCoord oldTop    = m_selectedTopLeft.GetRow();
-        wxCoord oldRight  = m_selectedBottomRight.GetCol();
-        wxCoord oldBottom = m_selectedBottomRight.GetRow();
+        wxCoord oldLeft   = m_selectingTopLeft.GetCol();
+        wxCoord oldTop    = m_selectingTopLeft.GetRow();
+        wxCoord oldRight  = m_selectingBottomRight.GetCol();
+        wxCoord oldBottom = m_selectingBottomRight.GetRow();
 
         // Determine the outer/inner coordinates.
         if (oldLeft > leftCol)
@@ -7696,8 +7707,8 @@ void wxGrid::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol )
 
 
         // Change Selection
-        m_selectedTopLeft = updateTopLeft;
-        m_selectedBottomRight = updateBottomRight;
+        m_selectingTopLeft = updateTopLeft;
+        m_selectingBottomRight = updateBottomRight;
 
         // various Refresh() calls
         for (i = 0; i < 4; i++ )
@@ -7705,34 +7716,36 @@ void wxGrid::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol )
                 m_gridWin->Refresh( FALSE, &(rect[i]) );
     }
 
-    // only generate an event if the block is not being selected by
-    // dragging the mouse (in which case the event will be generated in
-    // the mouse event handler)
-    if ( !m_isDragging )
-    {
-        wxGridRangeSelectEvent gridEvt( GetId(),
-                                        wxEVT_GRID_RANGE_SELECT,
-                                        this,
-                                        m_selectedTopLeft,
-                                        m_selectedBottomRight );
-
-        GetEventHandler()->ProcessEvent(gridEvt);
-    }
+    // never generate an event as it will be generated from
+    // wxGridSelection::SelectBlock!
 }
 
 void wxGrid::SelectAll()
 {
-    m_selectedTopLeft.Set( 0, 0 );
-    m_selectedBottomRight.Set( m_numRows-1, m_numCols-1 );
+    m_selection->SelectBlock( 0, 0, m_numRows-1, m_numCols-1 );
+}
 
-    m_gridWin->Refresh();
+bool wxGrid::IsSelection()
+{
+    return ( m_selection->IsSelection() ||
+             ( m_selectingTopLeft != wxGridNoCellCoords &&
+               m_selectingBottomRight != wxGridNoCellCoords ) );
 }
 
+bool wxGrid::IsInSelection( int row, int col )
+{
+    return ( m_selection->IsInSelection( row, col ) ||
+             ( row >= m_selectingTopLeft.GetRow() &&
+               col >= m_selectingTopLeft.GetCol() &&
+               row <= m_selectingBottomRight.GetRow() &&
+               col <= m_selectingBottomRight.GetCol() ) );
+}
 
 void wxGrid::ClearSelection()
 {
-    m_selectedTopLeft = wxGridNoCellCoords;
-    m_selectedBottomRight = wxGridNoCellCoords;
+    m_selectingTopLeft = wxGridNoCellCoords;
+    m_selectingBottomRight = wxGridNoCellCoords;
+    m_selection->ClearSelection();
 }
 
 
@@ -7791,7 +7804,7 @@ wxRect wxGrid::BlockToDeviceRect( const wxGridCellCoords &topLeft,
 IMPLEMENT_DYNAMIC_CLASS( wxGridEvent, wxEvent )
 
 wxGridEvent::wxGridEvent( int id, wxEventType type, wxObject* obj,
-                          int row, int col, int x, int y,
+                          int row, int col, int x, int y, bool sel,
                           bool control, bool shift, bool alt, bool meta )
         : wxNotifyEvent( type, id )
 {
@@ -7799,6 +7812,7 @@ wxGridEvent::wxGridEvent( int id, wxEventType type, wxObject* obj,
     m_col = col;
     m_x = x;
     m_y = y;
+    m_selecting = sel;
     m_control = control;
     m_shift = shift;
     m_alt = alt;
@@ -7832,11 +7846,13 @@ IMPLEMENT_DYNAMIC_CLASS( wxGridRangeSelectEvent, wxEvent )
 wxGridRangeSelectEvent::wxGridRangeSelectEvent(int id, wxEventType type, wxObject* obj,
                                                const wxGridCellCoords& topLeft,
                                                const wxGridCellCoords& bottomRight,
-                                               bool control, bool shift, bool alt, bool meta )
+                                               bool sel, bool control,
+                                               bool shift, bool alt, bool meta )
         : wxNotifyEvent( type, id )
 {
     m_topLeft     = topLeft;
     m_bottomRight = bottomRight;
+    m_selecting   = sel;
     m_control     = control;
     m_shift       = shift;
     m_alt         = alt;
@@ -7847,4 +7863,3 @@ wxGridRangeSelectEvent::wxGridRangeSelectEvent(int id, wxEventType type, wxObjec
 
 
 #endif // ifndef wxUSE_NEW_GRID
-